2024-11-05 11:18:36 +00:00
|
|
|
#include <ESP8266WiFi.h>
|
|
|
|
|
#include <WiFiClient.h>
|
|
|
|
|
#include <ESP8266WebServer.h>
|
|
|
|
|
#include <Adafruit_SSD1306.h>
|
|
|
|
|
#include <LittleFS.h>
|
|
|
|
|
#include <DNSServer.h>
|
|
|
|
|
#include <map>
|
|
|
|
|
|
|
|
|
|
// Constants for the HTML pages and config file
|
2024-11-05 18:33:37 +00:00
|
|
|
static const String beginHtml = "<!DOCTYPE html><html lang='en'><head><meta charset='UTF-8'><meta name='viewport' content='width=device-width, initial-scale=1.0'><title>SmartCube Configure</title><style>body{font-family:Arial,sans-serif;background-color:#f4f4f9;color:#333;display:flex;align-items:center;justify-content:center;height:100vh;margin:0}.container{width:100%;max-width:300px;padding:20px;background:#fff;border-radius:10px;box-shadow:0 4px 8px rgba(0,0,0,0.2);box-sizing:border-box}h2{margin-top:0;text-align:center;color:#0073e6}label{display:block;margin-bottom:5px;font-weight:bold}input[type='text'],input[type='password']{width:100%;padding:8px;margin-bottom:15px;border:1px solid #ccc;border-radius:4px;box-sizing:border-box}button{width:100%;padding:10px;background-color:#0073e6;color:white;border:none;border-radius:4px;cursor:pointer;font-size:16px}button:hover{background-color:#005bb5}table{width:100%;margin-top:20px}td{padding:5px;text-align:left}</style></head><body><div class='container'><h2>Configure AP</h2><table><tbody><tr><td><label for='ssid'>SSID</label></td><td><input id='ssid' type='text' placeholder='Enter SSID'/></td></tr><tr><td><label for='pass'>Password</label></td><td><input id='pass' type='password' placeholder='Enter Password'/></td></tr><tr><td colspan='2'><button onclick=\"location.href = '/add?ssid=' + encodeURIComponent(document.getElementById('ssid').value) + '&pass=' + encodeURIComponent(document.getElementById('pass').value);\">Add Network</button></td></tr></tbody></table><br/><table><tbody>";
|
2024-11-05 11:18:36 +00:00
|
|
|
static const String endHtml = "</tbody></table></body></html>";
|
|
|
|
|
static const String configFile = "/netman";
|
|
|
|
|
|
|
|
|
|
// Timeout for WiFi connection attempts
|
|
|
|
|
static const unsigned long connectionTimeout = 15000; // 15 seconds
|
|
|
|
|
|
|
|
|
|
struct netman {
|
|
|
|
|
public:
|
|
|
|
|
netman(Adafruit_SSD1306& display);
|
|
|
|
|
netman(String ssid, String pass, bool hidden, Adafruit_SSD1306& display);
|
|
|
|
|
bool start();
|
|
|
|
|
void reset();
|
|
|
|
|
void addSsid(String ssid, String password);
|
|
|
|
|
void removeSsid(String ssid, String password);
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
Adafruit_SSD1306& display;
|
|
|
|
|
std::unique_ptr<ESP8266WebServer> server;
|
|
|
|
|
std::map<String, String> _ssids;
|
|
|
|
|
String _ssid, _pass;
|
|
|
|
|
bool _hidden;
|
|
|
|
|
|
|
|
|
|
void init(String ssid, String pass, bool hidden);
|
|
|
|
|
bool tryConnectToSsid(const char* ssid, const char* pass);
|
|
|
|
|
bool tryConnect();
|
|
|
|
|
void createAP();
|
|
|
|
|
bool redirectToIp();
|
|
|
|
|
void readConfig();
|
|
|
|
|
void writeConfig();
|
|
|
|
|
void handleRoot();
|
|
|
|
|
void handleAdd();
|
|
|
|
|
void handleRemove();
|
2024-11-05 18:33:37 +00:00
|
|
|
void handleSelect();
|
2024-11-05 11:18:36 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Initialization
|
|
|
|
|
void netman::init(String ssid, String pass, bool hidden) {
|
|
|
|
|
// Ensure password meets minimum length
|
|
|
|
|
if (pass != "" && pass.length() < 8) {
|
2024-11-05 11:54:36 +00:00
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
|
|
|
|
display.println("Password too short");
|
|
|
|
|
display.display();
|
|
|
|
|
pass = "8characters";
|
2024-11-05 11:18:36 +00:00
|
|
|
}
|
|
|
|
|
|
2024-11-05 12:33:40 +00:00
|
|
|
// Get the last 4 characters of the MAC address
|
|
|
|
|
String macAddress = WiFi.macAddress();
|
2024-11-05 17:26:24 +00:00
|
|
|
String macSuffix = macAddress.substring(macAddress.length() - 5);
|
|
|
|
|
macSuffix.replace(":", "");
|
2024-11-05 12:33:40 +00:00
|
|
|
|
2024-11-05 11:18:36 +00:00
|
|
|
// Set default SSID if none provided
|
2024-11-05 12:33:40 +00:00
|
|
|
_ssid = ssid.isEmpty() ? "SmartCube_" + macSuffix : ssid;
|
2024-11-05 11:18:36 +00:00
|
|
|
_pass = pass;
|
|
|
|
|
_hidden = hidden;
|
|
|
|
|
|
2024-11-05 12:33:40 +00:00
|
|
|
|
2024-11-05 11:18:36 +00:00
|
|
|
// Initialize LittleFS with error handling
|
|
|
|
|
if (!LittleFS.begin()) {
|
2024-11-05 11:54:36 +00:00
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
|
|
|
|
display.println("FS init failed");
|
|
|
|
|
display.display();
|
2024-11-05 11:18:36 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Constructors
|
|
|
|
|
netman::netman(Adafruit_SSD1306& display) : display(display) {
|
|
|
|
|
init("", "", false);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
netman::netman(String ssid, String pass, bool hidden, Adafruit_SSD1306& display) : display(display) {
|
|
|
|
|
init(ssid, pass, hidden);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Attempt to start and connect or create AP
|
|
|
|
|
bool netman::start() {
|
|
|
|
|
if (_pass == "8characters") {
|
2024-11-05 11:54:36 +00:00
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
|
|
|
|
display.println("Using default pass:");
|
|
|
|
|
display.println("8characters");
|
|
|
|
|
display.display();
|
2024-11-05 11:18:36 +00:00
|
|
|
}
|
|
|
|
|
return tryConnect() || (createAP(), false);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Attempt connection to each saved SSID in order
|
|
|
|
|
bool netman::tryConnect() {
|
|
|
|
|
readConfig();
|
|
|
|
|
for (auto const& item : _ssids) {
|
|
|
|
|
if (tryConnectToSsid(item.first.c_str(), item.second.c_str())) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
2024-11-05 12:13:32 +00:00
|
|
|
// Attempt to connect to a specific SSID with timeout, dot animation, and IP display
|
2024-11-05 11:18:36 +00:00
|
|
|
bool netman::tryConnectToSsid(const char* ssid, const char* pass) {
|
|
|
|
|
WiFi.begin(ssid, pass);
|
|
|
|
|
unsigned long start = millis();
|
2024-11-05 12:13:32 +00:00
|
|
|
|
2024-11-05 12:05:31 +00:00
|
|
|
// Clear display and set initial message
|
|
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
2024-11-05 17:46:51 +00:00
|
|
|
display.println("Connecting to WiFi:");
|
|
|
|
|
display.setCursor(0, 11);
|
2024-11-05 12:05:31 +00:00
|
|
|
display.println(String(ssid));
|
|
|
|
|
display.display();
|
|
|
|
|
|
|
|
|
|
int dotCount = 0;
|
2024-11-05 11:18:36 +00:00
|
|
|
while (millis() - start < connectionTimeout) {
|
|
|
|
|
delay(500);
|
2024-11-05 12:05:31 +00:00
|
|
|
|
|
|
|
|
// Check WiFi connection status
|
2024-11-05 11:18:36 +00:00
|
|
|
if (WiFi.status() == WL_CONNECTED) {
|
2024-11-05 12:13:32 +00:00
|
|
|
// Success message with IP address
|
2024-11-05 12:05:31 +00:00
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
2024-11-05 11:18:36 +00:00
|
|
|
display.println("Connected!");
|
2024-11-05 17:46:51 +00:00
|
|
|
display.setCursor(0, 12);
|
2024-11-05 12:13:32 +00:00
|
|
|
display.print("IP: ");
|
|
|
|
|
display.println(WiFi.localIP());
|
2024-11-05 12:05:31 +00:00
|
|
|
display.display();
|
2024-11-05 17:46:51 +00:00
|
|
|
delay(500);
|
2024-11-05 11:18:36 +00:00
|
|
|
return true;
|
|
|
|
|
}
|
2024-11-05 12:05:31 +00:00
|
|
|
|
2024-11-05 17:49:38 +00:00
|
|
|
// Animate by adding dots
|
2024-11-05 12:05:31 +00:00
|
|
|
display.setCursor(0, 20);
|
|
|
|
|
for (int i = 0; i < dotCount; i++) {
|
|
|
|
|
display.print(".");
|
|
|
|
|
}
|
|
|
|
|
display.display();
|
2024-11-05 12:13:32 +00:00
|
|
|
dotCount = (dotCount + 1);
|
2024-11-05 11:18:36 +00:00
|
|
|
}
|
2024-11-05 12:05:31 +00:00
|
|
|
|
|
|
|
|
// Connection failed
|
|
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
2024-11-05 11:18:36 +00:00
|
|
|
display.println("Connection failed.");
|
2024-11-05 12:05:31 +00:00
|
|
|
display.display();
|
2024-11-05 11:18:36 +00:00
|
|
|
WiFi.disconnect();
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Setup Access Point with DNS and HTTP server
|
|
|
|
|
void netman::createAP() {
|
|
|
|
|
WiFi.softAPdisconnect(true);
|
|
|
|
|
WiFi.mode(WIFI_AP);
|
|
|
|
|
WiFi.softAP(_ssid.c_str(), _pass.c_str(), 1, _hidden);
|
|
|
|
|
|
2024-11-05 11:54:36 +00:00
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
|
|
|
|
display.println("AccessPoint created");
|
2024-11-05 17:46:51 +00:00
|
|
|
display.setCursor(0, 14);
|
2024-11-05 11:54:36 +00:00
|
|
|
display.println("SSID:");
|
2024-11-05 17:46:51 +00:00
|
|
|
display.setCursor(0, 24);
|
|
|
|
|
display.setTextSize(1);
|
2024-11-05 11:54:36 +00:00
|
|
|
display.println(_ssid.c_str());
|
2024-11-05 12:33:40 +00:00
|
|
|
display.setTextSize(1);
|
2024-11-05 17:46:51 +00:00
|
|
|
display.setCursor(0, 40);
|
|
|
|
|
display.println("Config portal:");
|
|
|
|
|
display.setCursor(0, 50);
|
|
|
|
|
display.print("http://");
|
2024-11-05 11:54:36 +00:00
|
|
|
display.println(WiFi.softAPIP().toString());
|
|
|
|
|
display.display();
|
2024-11-05 11:18:36 +00:00
|
|
|
|
|
|
|
|
server.reset(new ESP8266WebServer(80));
|
|
|
|
|
DNSServer dnsServer;
|
|
|
|
|
dnsServer.start(53, "*", WiFi.softAPIP());
|
|
|
|
|
|
|
|
|
|
server->on("/", std::bind(&netman::handleRoot, this));
|
|
|
|
|
server->on("/add", std::bind(&netman::handleAdd, this));
|
|
|
|
|
server->on("/remove", std::bind(&netman::handleRemove, this));
|
2024-11-05 18:33:37 +00:00
|
|
|
server->on("/select", std::bind(&netman::handleSelect, this));
|
2024-11-05 11:18:36 +00:00
|
|
|
|
|
|
|
|
server->begin();
|
|
|
|
|
|
|
|
|
|
while (true) {
|
|
|
|
|
dnsServer.processNextRequest();
|
|
|
|
|
server->handleClient();
|
|
|
|
|
delay(10);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Redirect to AP IP if not accessed directly
|
|
|
|
|
bool netman::redirectToIp() {
|
|
|
|
|
if (server->hostHeader() == WiFi.softAPIP().toString()) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
server->sendHeader("Location", "http://" + WiFi.softAPIP().toString(), true);
|
|
|
|
|
server->send(302, "text/plain", "");
|
|
|
|
|
server->client().stop();
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
2024-11-05 18:33:37 +00:00
|
|
|
// Modify the addSsid function to take parameters from the `select` page
|
2024-11-05 11:18:36 +00:00
|
|
|
void netman::addSsid(String ssid, String password) {
|
|
|
|
|
_ssids[ssid] = password;
|
|
|
|
|
writeConfig();
|
2024-11-05 18:33:37 +00:00
|
|
|
|
|
|
|
|
// Attempt to connect to the selected network
|
|
|
|
|
if (tryConnectToSsid(ssid.c_str(), password.c_str())) {
|
|
|
|
|
// Redirect to the main page on success
|
|
|
|
|
server->sendHeader("Location", "/", true);
|
|
|
|
|
server->send(302, "text/plain", "");
|
|
|
|
|
} else {
|
|
|
|
|
// Show error message if connection failed
|
|
|
|
|
server->send(200, "text/html", "<html><body><h2>Connection failed. Please try again.</h2></body></html>");
|
|
|
|
|
}
|
2024-11-05 11:18:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Remove SSID from config
|
|
|
|
|
void netman::removeSsid(String ssid, String password) {
|
|
|
|
|
if (_ssids.count(ssid) && _ssids[ssid] == password) {
|
|
|
|
|
_ssids.erase(ssid);
|
|
|
|
|
writeConfig();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Handle file-based config loading
|
|
|
|
|
void netman::readConfig() {
|
|
|
|
|
_ssids.clear();
|
|
|
|
|
File file = LittleFS.open(configFile, "r");
|
|
|
|
|
if (!file) {
|
2024-11-05 11:54:36 +00:00
|
|
|
display.clearDisplay();
|
|
|
|
|
display.setCursor(0, 0);
|
|
|
|
|
display.println("Config not found");
|
|
|
|
|
display.display();
|
2024-11-05 11:18:36 +00:00
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
while (file.available()) {
|
|
|
|
|
String ssid = file.readStringUntil('\n');
|
|
|
|
|
ssid.trim();
|
|
|
|
|
String pass = file.readStringUntil('\n');
|
|
|
|
|
pass.trim();
|
|
|
|
|
_ssids[ssid] = pass;
|
|
|
|
|
}
|
|
|
|
|
file.close();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Handle file-based config saving
|
|
|
|
|
void netman::writeConfig() {
|
|
|
|
|
File file = LittleFS.open(configFile, "w");
|
|
|
|
|
for (const auto& item : _ssids) {
|
|
|
|
|
file.println(item.first);
|
|
|
|
|
file.println(item.second);
|
|
|
|
|
}
|
|
|
|
|
file.close();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Reset configuration
|
|
|
|
|
void netman::reset() {
|
|
|
|
|
LittleFS.remove(configFile);
|
|
|
|
|
_ssids.clear();
|
|
|
|
|
}
|
|
|
|
|
|
2024-11-05 18:33:37 +00:00
|
|
|
String urlEncode(const String &str) {
|
|
|
|
|
String encoded = "";
|
|
|
|
|
char c;
|
|
|
|
|
for (size_t i = 0; i < str.length(); i++) {
|
|
|
|
|
c = str.charAt(i);
|
|
|
|
|
if (isalnum(c)) {
|
|
|
|
|
encoded += c;
|
|
|
|
|
} else {
|
|
|
|
|
encoded += '%';
|
|
|
|
|
char buf[3];
|
|
|
|
|
snprintf(buf, sizeof(buf), "%02X", c);
|
|
|
|
|
encoded += buf;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return encoded;
|
|
|
|
|
}
|
|
|
|
|
|
2024-11-05 11:18:36 +00:00
|
|
|
void netman::handleRoot() {
|
|
|
|
|
if (redirectToIp()) return;
|
2024-11-05 18:33:37 +00:00
|
|
|
|
|
|
|
|
// Scan for available networks
|
|
|
|
|
int n = WiFi.scanNetworks();
|
2024-11-05 11:18:36 +00:00
|
|
|
String result = beginHtml;
|
2024-11-05 18:33:37 +00:00
|
|
|
|
|
|
|
|
// Add stored SSIDs to the page
|
|
|
|
|
result += "<h3>Saved Networks</h3>";
|
2024-11-05 11:18:36 +00:00
|
|
|
for (const auto& item : _ssids) {
|
|
|
|
|
result += "<tr><td><button onclick=\"location.href='/remove?ssid=' + escape('" + item.first + "') + '&pass=' + escape('" + item.second + "') \">×</button></td><td>" + item.first + "</td><td>-</td><td>" + item.second + "</td></tr>";
|
|
|
|
|
}
|
2024-11-05 18:33:37 +00:00
|
|
|
|
|
|
|
|
// Display available WiFi networks
|
|
|
|
|
result += "</tbody></table><h3>Available Networks</h3><table><tbody>";
|
|
|
|
|
for (int i = 0; i < n; i++) {
|
|
|
|
|
// Get SSID and signal strength
|
|
|
|
|
String ssid = WiFi.SSID(i);
|
|
|
|
|
int rssi = WiFi.RSSI(i);
|
|
|
|
|
bool openNetwork = (WiFi.encryptionType(i) == ENC_TYPE_NONE);
|
|
|
|
|
|
|
|
|
|
// Show network with button to select
|
|
|
|
|
result += "<tr><td><button onclick=\"location.href='/select?ssid=" + urlEncode(ssid) + "'\">" + ssid + "</button></td><td>" + (openNetwork ? "(Open)" : "(Secured)") + "</td><td>" + String(rssi) + " dBm</td></tr>";
|
|
|
|
|
}
|
2024-11-05 11:18:36 +00:00
|
|
|
result += endHtml;
|
|
|
|
|
server->send(200, "text/html", result);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void netman::handleAdd() {
|
|
|
|
|
server->send(200, "text/html", "The ESP will now reboot.");
|
|
|
|
|
addSsid(server->arg("ssid"), server->arg("pass"));
|
|
|
|
|
delay(500);
|
|
|
|
|
ESP.restart();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void netman::handleRemove() {
|
|
|
|
|
removeSsid(server->arg("ssid"), server->arg("pass"));
|
|
|
|
|
handleRoot();
|
|
|
|
|
}
|
2024-11-05 18:33:37 +00:00
|
|
|
|
|
|
|
|
// Add SSID to config and save
|
|
|
|
|
void netman::handleSelect() {
|
|
|
|
|
String ssid = server->arg("ssid");
|
2024-11-05 18:37:32 +00:00
|
|
|
String selectPage = "<!DOCTYPE html><html lang='en'><head><meta charset='UTF-8'><meta name='viewport' content='width=device-width, initial-scale=1.0'><title>Connect to " + ssid + "</title><style>body{font-family:Arial,sans-serif;background-color:#f4f4f9;color:#333;display:flex;align-items:center;justify-content:center;height:100vh;margin:0}.container{width:100%;max-width:300px;padding:20px;background:#fff;border-radius:10px;box-shadow:0 4px 8px rgba(0,0,0,0.2);box-sizing:border-box}h2{margin-top:0;text-align:center;color:#0073e6}label{display:block;margin-bottom:5px;font-weight:bold}input[type='password']{width:100%;padding:8px;margin-bottom:15px;border:1px solid #ccc;border-radius:4px;box-sizing:border-box}button{width:100%;padding:10px;background-color:#0073e6;color:white;border:none;border-radius:4px;cursor:pointer;font-size:16px}button:hover{background-color:#005bb5}</style></head><body><div class='container'><h2>Connect to " + ssid + "</h2><form action='/add' method='get'><input type='hidden' name='ssid' value='" + ssid + "'><label for='pass'>Password:</label><input id='pass' type='password' name='pass' placeholder='Enter Password'><button type='submit'>Connect</button></form></div></body></html>";
|
2024-11-05 18:33:37 +00:00
|
|
|
server->send(200, "text/html", selectPage);
|
|
|
|
|
}
|
